25% did risky driving behaviors decrease among teens who participated in the 6-month drive cam trial.
purpose of driving. Driving serves many purposes. Basically, driving a car is a reliable, efficient, and economical means of transportation.
In legal terms, driving usually refers to a person who drives a vehicle that moves from one place to another. Traveling often means riding in a vehicle as a passenger rather than as a driver.
Traffic accidents would be greatly reduced if drivers were well trained. Knowing driving skills is important for keeping the roads safe for everyone. At the same time, it also serves as a major breakthrough in many incarnations. Learning to drive well is a difficult task, but a very important one.
Learn more about driving here: brainly.com/question/1071840
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Explanation:
I think it's $840
For markup, it's 80% which means 4/5
GP/Cost = 4/5
GP/4200 = 4/5
5×GP = 4×4200
5GP = 16800
GP = 16800÷5 = 3360
Therefore, if we less the markup from the cost, what is left is 4200-3360 = 840
I'm a little bit unsure but I tried to help .. please do consult one more answer from an another brainly :)
